:root{color-scheme:dark;--bg:#06151e;--panel:#0a202b;--ink:#eaf6f8;--muted:#9eb8c3;--line:#23414d;--cyan:#66e3d5;--gold:#e7c67b;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:radial-gradient(ellipse 80% 650px at 78% 0,#12374070,transparent),var(--bg);color:var(--ink)}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.3}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:5px}img{max-width:100%}.wrap{width:min(1280px,calc(100% - 80px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-80px;left:20px;z-index:99;padding:14px;background:var(--cyan);color:var(--bg)}.skip-link:focus{top:10px}.guide-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:#06151eef;backdrop-filter:blur(18px)}.header-inner{height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}.guide-brand{display:flex;align-items:center;gap:11px;font-weight:850;font-size:19px}.guide-brand img{object-fit:contain}.guide-brand small{display:block;font-size:10px;font-weight:500;color:var(--muted);margin-top:2px;letter-spacing:.04em}.header-actions{display:flex;align-items:center;gap:28px}.back-link{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}.language{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;color:var(--cyan)}.language select{background:transparent;border:0;color:var(--ink);max-width:155px;font-size:12px;cursor:pointer}.language option{background:var(--bg);color:var(--ink)}.reading-track{position:absolute;inset:auto 0 -1px;height:2px;pointer-events:none}.reading-track i{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold));transform-origin:left;transform:scaleX(0)}.guide-hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:30px;padding-top:42px;padding-bottom:42px;min-height:570px}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:.12em;line-height:1.6}.eyebrow i{width:6px;height:6px;background:var(--cyan);border-radius:50%;box-shadow:0 0 16px var(--cyan)}h1{font-size:clamp(44px,5vw,70px);line-height:1.1;letter-spacing:-.055em;white-space:pre-line;margin:26px 0 22px;font-weight:800;text-wrap:balance}p{line-height:1.8}.hero-desc{max-width:530px;color:var(--muted);font-size:17px;margin:0 0 28px}.hero-actions,.help-actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:49px;border-radius:10px;padding:13px 20px;font-size:13px;font-weight:750;transition:transform .25s,box-shadow .25s}.primary{background:linear-gradient(110deg,#41d8c9,#8aece4);color:#03232a;border:1px solid #65e5d9;box-shadow:0 7px 25px #35d9ca18}.secondary{background:#0a222c;border:1px solid #32535f;color:#d8eeec}.hero-meta{display:flex;flex-wrap:wrap;gap:25px;margin-top:28px;font-size:11px;color:var(--muted)}.hero-meta>span{display:flex;align-items:center;gap:8px}.hero-meta b{font-size:14px;font-weight:800;color:var(--gold)}.hero-art{position:relative;aspect-ratio:1;max-width:490px;justify-self:end;isolation:isolate}.hero-art>img{position:relative;display:block;width:100%;height:100%;object-fit:contain;mask-image:radial-gradient(ellipse,#000 44%,#000b 65%,transparent 76%)}.hero-orbit{position:absolute;inset:10%;border:1px solid #67dfd41c;border-radius:50%;transform:rotateX(55deg) rotateZ(-20deg)}.art-caption{position:absolute;bottom:0;inset-inline:0;text-align:center;color:#698f9a;font:600 9px ui-monospace,monospace;letter-spacing:.18em}.guide-disclosure{margin:0 0 48px;padding:16px 20px;display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);background:#0b25304d;border-radius:12px;color:#8daab5;font-size:12px}.guide-disclosure>span:first-child{color:var(--cyan);font-size:17px;line-height:1.3}.guide-layout{display:grid;grid-template-columns:225px minmax(0,1fr);gap:54px;align-items:start}.sidebar-inner{position:sticky;top:112px;padding-bottom:20px}.guide-sidebar{align-self:stretch}.guide-sidebar .eyebrow{font-size:10px;margin:0 0 17px;padding-inline:14px}.guide-sidebar nav{display:grid;gap:5px}.guide-sidebar nav a{display:flex;align-items:center;gap:12px;min-height:45px;padding:10px 13px;border-radius:9px;font-size:12px;color:#8ca9b5;line-height:1.5;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s}.guide-sidebar nav a b{color:#567986;font:600 10px ui-monospace,monospace}.guide-sidebar nav 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0;text-wrap:balance}.chapter-body{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:30px;align-items:start}.step-list{list-style:none;counter-reset:steps;padding:0;margin:0}.step-list li{counter-increment:steps;display:grid;grid-template-columns:25px minmax(0,1fr);gap:11px;font-size:14px;color:#bad0d9;line-height:1.85;padding:15px 0;border-bottom:1px solid #25404a88;overflow-wrap:anywhere}.step-list li:first-child{padding-top:4px}.step-list li:before{content:counter(steps);color:#84c2bd;font:700 10px/25px ui-monospace,monospace;display:block;text-align:center;width:24px;height:25px;border:1px solid #2b535c;border-radius:7px;margin-top:1px}.chapter-note{margin:22px 0 0;padding:15px 17px;border-inline-start:2px solid var(--gold);background:#d6b26809;border-radius:0 9px 9px 0;font-size:12px;color:#c8bb9b;line-height:1.8}.chapter-note strong{display:block;color:#e8d39f;font-size:10px;letter-spacing:.04em;margin-bottom:5px}.chapter-gallery{min-width:0;background:radial-gradient(ellipse at 50% 20%,#19434270,transparent),#071a24;border:1px solid #2a4c59;border-radius:23px;padding:14px 14px 12px;box-shadow:0 16px 35px #0002}.screenshot-open{position:relative;display:block;width:100%;padding:0;border:1px solid #3a4b46;border-radius:18px;overflow:hidden;background:#080e0c;box-shadow:0 8px 18px #0005}.screenshot-open img{display:block;width:100%;height:auto;aspect-ratio:430/932;object-fit:contain}.zoom-hint{position:absolute;bottom:12px;inset-inline:12px;border:1px solid #55766e90;border-radius:8px;padding:7px 5px;background:#071f28eb;backdrop-filter:blur(7px);color:#d1eeeb;font-size:10px;line-height:1.4;opacity:0;transition:opacity .2s}.screenshot-open:focus-visible .zoom-hint,.screenshot-open:hover .zoom-hint{opacity:1}.gallery-controls{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 1px 0;direction:ltr}.icon-button{display:grid;place-items:center;width:33px;height:33px;border:1px solid #2d535f;background:#102d39;border-radius:9px;color:#c5eeea;font-size:18px;flex-shrink:0}.gallery-count{font:600 10px ui-monospace,monospace;color:#a1c5cb}.shot-caption{display:block;color:#7e9ea9;font-size:10px;text-align:center;margin:10px 0 0;line-height:1.5}.chapter-next{display:inline-flex;gap:12px;align-items:center;color:#74d7cb;font-size:12px;margin-top:25px;padding:7px 0}.guide-help{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 40px;margin-top:10px;margin-bottom:50px;border:1px solid #3d676e;border-radius:20px;background:radial-gradient(ellipse at 90% 50%,#17444a99,transparent),#0a232d}.guide-help h2{font-size:31px;margin:10px 0;letter-spacing:-.03em}.guide-help p{color:var(--muted);font-size:13px;max-width:510px;margin-bottom:0}.guide-help .help-actions{flex-shrink:0}.guide-footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-bottom:30px;color:#6d919f;font-size:10px}.guide-footer a{color:#a3c7cc}.guide-lightbox{position:fixed;inset:0;width:min(650px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 24px);margin:auto;padding:0;border:1px solid #3e7777;border-radius:18px;background:#081e29;color:var(--ink);box-shadow:0 35px 120px #000a;overflow:hidden}.guide-lightbox[open]{display:flex;flex-direction:column}.guide-lightbox::backdrop{background:#01090ee8;backdrop-filter:blur(9px)}.lightbox-top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 18px;border-bottom:1px solid var(--line);flex-shrink:0}.lightbox-top small{font-size:10px;color:#87aaa9}.lightbox-top h2{font-size:17px;margin:5px 0;line-height:1.4}.lightbox-scroll{overflow:auto;overscroll-behavior:contain;padding:16px 20px;text-align:center;min-height:0}.lightbox-scroll img{display:block;width:min(100%,430px);height:auto;border:1px solid #3f5146;border-radius:15px;margin:auto}.lightbox-controls{display:flex;align-items:center;justify-content:center;gap:24px;padding:11px;border-top:1px solid var(--line);font:600 11px ui-monospace,monospace;flex-shrink:0}
@media(hover:hover){.button:hover{transform:translateY(-3px);box-shadow:0 12px 28px #0003}.guide-sidebar nav a:hover{color:#d1ecec;background:#102f3a}.icon-button:not(:disabled):hover{border-color:var(--cyan)}}
@media(prefers-reduced-motion:no-preference){.hero-art>img{animation:book-float 8s ease-in-out infinite}.hero-art.is-paused>img{animation-play-state:paused}@keyframes book-float{50%{transform:translateY(-9px) rotate(-1deg)}}.chapter-gallery{transition:border-color .3s,box-shadow .3s}.chapter-gallery:hover{border-color:#4c8e8b;box-shadow:0 20px 40px #0003}}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.guide-layout{grid-template-columns:180px minmax(0,1fr);gap:28px}.chapter-body{grid-template-columns:minmax(0,1fr) 225px;gap:22px}.guide-help{align-items:flex-start;flex-direction:column}.guide-hero{min-height:510px}.guide-sidebar nav a{font-size:11px;gap:8px;padding:10px 8px}.hero-desc{font-size:15px}}
@media(max-width:850px){.guide-hero{gap:0;padding-top:40px;padding-bottom:35px}.hero-art{min-width:0;align-self:center}h1{font-size:42px}.guide-layout{grid-template-columns:1fr;gap:25px}.guide-sidebar{position:sticky;top:80px;z-index:10;margin-inline:-24px;padding:10px 24px;border-block:1px solid var(--line);background:#06151ef5;backdrop-filter:blur(15px)}.sidebar-inner{position:static;padding:0}.guide-sidebar .eyebrow,.sidebar-app{display:none}.guide-sidebar nav{display:flex;gap:7px;overflow-x:auto;scrollbar-width:thin;padding:3px}.guide-sidebar nav a{white-space:nowrap;min-height:38px;font-size:11px;padding:7px 10px}.guide-chapter{scroll-margin-top:160px}.chapter-body{grid-template-columns:minmax(0,1fr) 270px;gap:28px}.guide-disclosure{margin-bottom:28px}.guide-help{padding:25px}.guide-help h2{font-size:28px}}
@media(max-width:580px){.wrap{width:calc(100% - 36px)}.header-inner{height:68px;gap:12px}.guide-brand{font-size:16px;gap:8px}.guide-brand img{width:33px;height:33px}.guide-brand small{font-size:9px}.header-actions{gap:12px}.back-link{font-size:0;gap:0}.back-link>span:first-child{font-size:20px}.language{padding:8px;gap:5px}.language select{font-size:11px;max-width:111px}.guide-hero{grid-template-columns:1fr;padding-top:34px;gap:0}.hero-copy{position:relative;z-index:1}.hero-hero{min-height:0}h1{font-size:44px;margin-top:23px;max-width:410px}.hero-desc{font-size:14px;line-height:1.9}.hero-actions .button{min-height:47px;font-size:12px}.hero-meta{gap:18px;margin-top:22px;font-size:10px}.hero-art{width:100%;max-width:340px;justify-self:center;margin-top:2px;margin-bottom:0}.art-caption{bottom:4px}.guide-disclosure{padding:14px 15px;font-size:11px;gap:10px;margin-bottom:25px}.guide-sidebar{top:68px;margin-inline:-18px;padding-inline:15px}.guide-layout{gap:28px}.chapter-heading{gap:12px;margin-bottom:22px}.chapter-number{width:36px;height:36px;border-radius:10px;font-size:11px}.chapter-heading h2{font-size:26px;margin-top:1px}.chapter-body{grid-template-columns:1fr;gap:24px}.step-list li{font-size:13px;padding:13px 0;line-height:1.9}.chapter-gallery{width:min(280px,100%);margin-inline:auto}.chapter-note{font-size:11px}.guide-chapter{scroll-margin-top:148px;padding-bottom:36px;margin-bottom:36px}.zoom-hint{opacity:1}.guide-help{margin-top:0;margin-bottom:32px;padding:23px 20px;gap:20px}.help-actions{gap:9px;flex-shrink:1!important;width:100%}.help-actions .button{font-size:12px;padding:12px 14px;flex:1 1 auto}.guide-help p{font-size:12px}.guide-footer{font-size:9px;line-height:1.7;padding-bottom:24px;gap:13px}.lightbox-top{padding:12px}.lightbox-top h2{font-size:14px}.lightbox-scroll{padding:12px}.lightbox-scroll img{border-radius:10px}.guide-lightbox{max-height:calc(100dvh - 16px);width:calc(100vw - 16px)}}
html{scroll-padding-top:0}
@media(max-width:580px){.icon-button{width:40px;height:40px}.lightbox-top .icon-button{width:40px;height:40px}}
.guide-sidebar,.sidebar-inner{min-width:0}
@media(max-width:850px){.guide-layout{grid-template-columns:minmax(0,1fr)}.guide-sidebar nav{min-width:0;max-width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}